MC12FD470F-F

Series:	MC
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	47pF
Tolerance:	±1%
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	1210 (3225 Metric)
Lead Spacing:	--
Features:	RF, High Q, Low Loss
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max):	0.079" (2.00mm)

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Mica and PTFE capacitors have become popular capacitors among modern electronic components, particularly those related to electrical power systems. The MC12FD470F-F is a popular series of mica and PTFE capacitors for applications within electrical power systems. This article will look at the application fields for the MC12FD470F-F capacitors, as well as go into detail regarding the principles of operation for these capacitors.The MC12FD470F-F series of mica and PTFE capacitors are designed primarily for use in power electronics, such as the rectification and filtering of large power supply systems. They are also suitable for use in high power DC-DC converters, variable frequency drives, static current regulators, and other high power electronics components. Furthermore, the MC12FD470F-F capacitors are characterized by their low-ESR, wide temperature operating range, high voltage and current capability, and long life. As such, they are often chosen over other types of capacitors due to their effectiveness and reliability in providing the desired electrical performance. The working principle of the MC12FD470F-F capacitor is based on the capacitive theory of electricity. A capacitor is an electrical device that stores electrical energy in the form of an electrical field between two conductive plates. This stored energy is then used to maintain an electrical potential difference when the capacitor is discharged. The capacitance of a capacitor is determined by the size and shape of the plates and the distance between them. The MC12FD470F-F capacitors utilize the combination of mica as the dielectric material and PTFE as the electrode material to produce the high capacitance values, low loss, and high ruggedness needed for today\'s power electronic systems.The mica used in the MC12FD470F-F capacitors is a material featuring superior characteristics such as high dielectric strength, low dissipation factor, and high thermal conductivity. PTFE, also known as polytetrafluoroethylene, is the common dielectric for the MC12FD470F-F series. PTFE is an electrically insulating material with low loss, low dielectric constant, and an excellent high temperature performance. This combination of dielectric materials results in the MC12FD470F-F capacitors providing both high capacitance and superior electrical performance. When the capacitor is placed between two conducting plates, an electrical field is produced which stores electrical energy and is responsible for the capacitance. The electrical field is created when a voltage is applied to the plates, causing electrons from one plate to move toward the other plate. As they move, the electrons become separated from the nuclei of their own plate, creating charges of opposite polarity between the two plates. This greater number of electrons on one plate, compared to the other, is responsible for the electrical field that allows for energy storage.The MC12FD470F-F capacitors also incorporate a feature that allows them to meet the requirements for high ripple current, low ESR, and long life. This feature is called the “electrostatic shielding”, which is based on the principle of using a metal shield or faraday cage between the two conducting plates of the capacitor. This electrostatic shielding helps to reduce the electrical losses caused by the capacitor, improve its long-term reliability, and enable it to handle high ripple current ratings.In conclusion, the MC12FD470F-F series of mica and PTFE capacitors have become an almost essential component for power electronic systems due to their high performance, reliability, and durability. The combination of mica and PTFE materials provides a high level of electrical performance, while the electrostatic shielding ensures that the capacitor can handle high levels of ripple current. As a result, the MC12FD470F-F capacitors are ideal for rectification and filtering of power supplies, DC-DC converters, and variable frequency drives.

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